FLA G S. 
3TS 
29. Fucus Hud f. ^7^, Rough Wrack.' 
Stem round, inucli branched, branches alternate, 
fafciculate, very ihort, fcabrous, with tubercles. 
On the coaft of Yorkfhire. 
30. Fucus digit atus, HudL 474* F, arboreus poly-'^ 
[chides edulis, B. 364, R. 46. — b, F, Scoticus latijfi- 
mus edulis dulcis. Sibb. 26. R. 46. h, alatus five phaj- 
ganoides, B. 36^. Fingered Wrack. Stem round, 
very flicrt, leaf palmate, fegments enliform. On 
rocks in the fea. 
3 1 . Fucus palmatus. L. 1630. F- membranaceus cera- 
noidcs. B. prodr. 155. R. 46. Alga 7 nenibranacea cera- 
7 ioidcs, B. 364. Handed Wrack. Leaves plane, pal- 
mate. On the fea fliore. 
32. Fucus ciliatus. Hudf. 472. F. membranaceus ru- 
bens anguJiifoUus ^ 7narginibus iigulis armatis, 11. 47. 
— b. membranaceus purpureus latifolius pinnatus. IL 
47. Ciliate Wrack. Leaves plane, branched, ciiiate. 
On the fea fliore. 
33. Fucus pinnatijidus • Hudf. 473. F, Dealenfts 
Fedicuhrls rubrce folio. Pet. niuk 405. R. 48. Pinnati- 
fld Wrack. Leaves plane, branched, branches den- 
tato-pinnatifid, margins callous. On fea rocks. 
Near Deal, and in Devon. 
34. Fucus alatus, Fludf. 47 3. F. dichotomiis parvus 
cofiatus ct membranaceus, R. 44. Winged Wrack. 
Leaves plane, fubdichotomous, branches alternate, 
decurrent, bifid. On the fea fhore. 
35. Fucus plumofus , Hudf. 473- Fucoides purpureum 
eleganter plumofuin, R. 38. Feathered Wrack. Stem 
roundifli, comprefled, branches doubly pinnate, 
colored. On the fea fliore. 
36. Fucus filicinus, Hudf. 47 3. Fern-leaved Wrack. 
Cartilagineous, comprefled, leaves tripinnate, feg- 
ments obtufe. On the coaft of Laiicafliire, but 
rarely. 
37. Fucus pinnatus. Hudf. 474. Pinnate Wrack. 
Membranaceous, leaves tripinnate. On the fea fhore 
in Yorkfhire andSaflcx. 
38. Fucus 
